What to pack for Dublin in January
- a warm coat, hat and gloves
- a compact umbrella or rain shell — rain is frequent
Humidity averages 86%; max daily wind around 24 km/h.
How January compares
Best months in Dublin: June–September. See the full best time to visit Dublin guide.
Dublin in January: the details
In January, Dublin sees average daytime highs of 8°C (46°F) and overnight lows of 3°C (37°F). Rainfall totals roughly 59 mm across 10.8 rainy days, and the sun shines about 3.8 hours per day with 7.8 hours of daylight mid-month. Relative humidity averages 86%.
In context: January is the coldest month of the year and the driest in Dublin. The sunniest month is June (10.9 h/day).
| Metric | January average |
|---|---|
| Daytime high | 8°C / 46°F |
| Overnight low | 3°C / 37°F |
| Rainfall | 59 mm over 10.8 rainy days |
| Sunshine | 3.8 h/day (7.8 h daylight) |
| Humidity | 86% |
| Travel score | 2.5 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Dublin, Ireland (53.33, -6.25) — see our methodology. Actual conditions vary year to year.
Not set on Dublin? Browse the best places to visit in January ranked by travel score.
Frequently asked questions
How hot is Dublin in January?
Daytime highs in Dublin in January average 8°C (46°F); nights drop to about 3°C.
Does it rain in Dublin in January?
Expect around 10.8 rainy days and 59 mm of rainfall in January.
Is January a good time to visit Dublin?
January is a challenging month to visit Dublin — consider June–September instead. Overall travel score: 2.5/10. The best months are June–September.
Also good in January, near Dublin
Where should you go next month?
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